Phase- and Size-Controllable Synthesis of Hexagonal Upconversion Rare-Earth Fluoride Nanocrystals through an Oleic Acid/Ionic Liquid Two-Phase System
Herein, we introduce a facile, user‐ and environmentally friendly (n‐octanol‐induced) oleic acid (OA)/ionic liquid (IL) two‐phase system for the phase‐ and size‐controllable synthesis of water‐soluble hexagonal rare earth (RE=La, Gd, and Y) fluoride nanocrystals with uniform morphologies (mainly sph...
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| Veröffentlicht in: | Chemistry : a European journal 2012-05, Vol.18 (19), p.5954-5969 |
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| creator | He, Meng Huang, Peng Zhang, Chunlei Ma, Jiebing He, Rong Cui, Daxiang |
| description | Herein, we introduce a facile, user‐ and environmentally friendly (n‐octanol‐induced) oleic acid (OA)/ionic liquid (IL) two‐phase system for the phase‐ and size‐controllable synthesis of water‐soluble hexagonal rare earth (RE=La, Gd, and Y) fluoride nanocrystals with uniform morphologies (mainly spheres and elongated particles) and small sizes ( |
| doi_str_mv | 10.1002/chem.201102419 |
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Two‐phase synthesis: A facile, user‐ and environmentally friendly (n‐octanol‐induced) oleic acid (OA)/ionic liquid (IL) two‐phase system for the phase‐ and size‐controllable synthesis of small (<50 nm) water‐soluble hexagonal rare earth (La, Gd, and Y) fluoride nanocrystals with uniform morphologies is described (see figure).</description><identifier>ISSN: 0947-6539</identifier><identifier>EISSN: 1521-3765</identifier><identifier>DOI: 10.1002/chem.201102419</identifier><identifier>PMID: 22454326</identifier><identifier>CODEN: CEUJED</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>1-Octanol - chemistry ; Algorithms ; Binary systems (materials) ; Chemistry ; Earth ; Fluorides ; Fluorides - chemical synthesis ; Fluorides - chemistry ; Humans ; Ionic liquids ; Ionic Liquids - chemistry ; Luminescence ; Metals, Rare Earth - chemistry ; Morphology ; Nanocrystals ; Nanoparticles - chemistry ; Nanoparticles - ultrastructure ; Oleic acid ; Oleic Acid - chemistry ; Rare earth metals ; rare earths ; Solubility ; structure elucidation ; Synthesis ; Water - chemistry ; Yttrium - chemistry</subject><ispartof>Chemistry : a European journal, 2012-05, Vol.18 (19), p.5954-5969</ispartof><rights>Copyright © 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.</rights><rights>Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4449-7db3f46dc3d1fbb379cb59fb3203fb08bc89c35218f3744b8dae9a0802072a9d3</citedby><cites>FETCH-LOGICAL-c4449-7db3f46dc3d1fbb379cb59fb3203fb08bc89c35218f3744b8dae9a0802072a9d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fchem.201102419$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fchem.201102419$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,778,782,1414,27911,27912,45561,45562</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22454326$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>He, Meng</creatorcontrib><creatorcontrib>Huang, Peng</creatorcontrib><creatorcontrib>Zhang, Chunlei</creatorcontrib><creatorcontrib>Ma, Jiebing</creatorcontrib><creatorcontrib>He, Rong</creatorcontrib><creatorcontrib>Cui, Daxiang</creatorcontrib><title>Phase- and Size-Controllable Synthesis of Hexagonal Upconversion Rare-Earth Fluoride Nanocrystals through an Oleic Acid/Ionic Liquid Two-Phase System</title><title>Chemistry : a European journal</title><addtitle>Chem. Eur. J</addtitle><description>Herein, we introduce a facile, user‐ and environmentally friendly (n‐octanol‐induced) oleic acid (OA)/ionic liquid (IL) two‐phase system for the phase‐ and size‐controllable synthesis of water‐soluble hexagonal rare earth (RE=La, Gd, and Y) fluoride nanocrystals with uniform morphologies (mainly spheres and elongated particles) and small sizes (<50 nm). The unique role of the IL 1‐butyl‐3‐methylimidazolium hexafluorophosphate (BmimPF6) and n‐octanol in modulating the phase structure and particle size are discussed in detail. More importantly, the mechanism of the (n‐octanol‐induced) OA/IL two‐phase system, the formation of the RE fluoride nanocrystals, and the distinctive size‐ and morphology‐controlling capacity of the system are presented. BmimPF6 is versatile in term of crystal‐phase manipulation, size and shape maintenance, and providing water solubility in a one‐step reaction. The luminescent properties of Er3+‐, Ho3+‐, and Tm3+‐doped LaF3, NaGdF4, and NaYF4 nanocrystals were also studied. It is worth noting that the as‐prepared products can be directly dispersed in water due to the hydrophilic property of Bmim+ (cationic part of the IL) as a capping agent. This advantageous feature has made the IL‐capped products favorable in facile surface modifications, such as the classic Stober method. Finally, the cytotoxicity evaluation of NaYF4:Yb,Er nanocrystals before and after silica coating was conducted for further biological applications.
Two‐phase synthesis: A facile, user‐ and environmentally friendly (n‐octanol‐induced) oleic acid (OA)/ionic liquid (IL) two‐phase system for the phase‐ and size‐controllable synthesis of small (<50 nm) water‐soluble hexagonal rare earth (La, Gd, and Y) fluoride nanocrystals with uniform morphologies is described (see figure).</description><subject>1-Octanol - chemistry</subject><subject>Algorithms</subject><subject>Binary systems (materials)</subject><subject>Chemistry</subject><subject>Earth</subject><subject>Fluorides</subject><subject>Fluorides - chemical synthesis</subject><subject>Fluorides - chemistry</subject><subject>Humans</subject><subject>Ionic liquids</subject><subject>Ionic Liquids - chemistry</subject><subject>Luminescence</subject><subject>Metals, Rare Earth - chemistry</subject><subject>Morphology</subject><subject>Nanocrystals</subject><subject>Nanoparticles - chemistry</subject><subject>Nanoparticles - ultrastructure</subject><subject>Oleic acid</subject><subject>Oleic Acid - chemistry</subject><subject>Rare earth metals</subject><subject>rare earths</subject><subject>Solubility</subject><subject>structure elucidation</subject><subject>Synthesis</subject><subject>Water - chemistry</subject><subject>Yttrium - chemistry</subject><issn>0947-6539</issn><issn>1521-3765</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUtv1DAUhSMEokNhyxJZYtONp37FjpdlNO1Umj5EW2BnOY7TuCTx1E5oh__B_8XttCPEpqvrxXfOvT4nyz5iNMUIkX3T2G5KEMaIMCxfZROcEwyp4PnrbIIkE5DnVO5k72K8QQhJTunbbIcQljNK-CT7c97oaCHQfQUu3G8LZ74fgm9bXbYWXKz7obHRReBrsLD3-tr3ugVXK-P7XzZE53vwVQcL5zoMDThsRx9cZcGp7r0J6zjoNoKhCX68btIKcNZaZ8CBcdX-se_Tc-luR1eByzsPHw9JG-Ngu_fZmzpJ7YenuZtdHc4vZwu4PDs6nh0soWGMSSiqktaMV4ZWuC5LKqQpc1mXlCBal6goTSENTYEUNRWMlUWlrdSoQAQJomVFd7O9je8q-NvRxkF1Lhqbft9bP0aFC4SYJDnOX0ZTB1hIRkVCP_-H3vgxpOASJTjnglCMEjXdUCb4GIOt1Sq4Tod1slIP3aqHbtW22yT49GQ7lp2ttvhzmQmQG-DOtXb9gp2aLeYn_5rDjdal_O-3Wh1-Ki6oyNX30yP1jaNz-gX9UCf0LwC6wAA</recordid><startdate>20120507</startdate><enddate>20120507</enddate><creator>He, Meng</creator><creator>Huang, Peng</creator><creator>Zhang, Chunlei</creator><creator>Ma, Jiebing</creator><creator>He, Rong</creator><creator>Cui, Daxiang</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>20120507</creationdate><title>Phase- and Size-Controllable Synthesis of Hexagonal Upconversion Rare-Earth Fluoride Nanocrystals through an Oleic Acid/Ionic Liquid Two-Phase System</title><author>He, Meng ; Huang, Peng ; Zhang, Chunlei ; Ma, Jiebing ; He, Rong ; Cui, Daxiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4449-7db3f46dc3d1fbb379cb59fb3203fb08bc89c35218f3744b8dae9a0802072a9d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>1-Octanol - chemistry</topic><topic>Algorithms</topic><topic>Binary systems (materials)</topic><topic>Chemistry</topic><topic>Earth</topic><topic>Fluorides</topic><topic>Fluorides - chemical synthesis</topic><topic>Fluorides - chemistry</topic><topic>Humans</topic><topic>Ionic liquids</topic><topic>Ionic Liquids - chemistry</topic><topic>Luminescence</topic><topic>Metals, Rare Earth - chemistry</topic><topic>Morphology</topic><topic>Nanocrystals</topic><topic>Nanoparticles - chemistry</topic><topic>Nanoparticles - ultrastructure</topic><topic>Oleic acid</topic><topic>Oleic Acid - chemistry</topic><topic>Rare earth metals</topic><topic>rare earths</topic><topic>Solubility</topic><topic>structure elucidation</topic><topic>Synthesis</topic><topic>Water - chemistry</topic><topic>Yttrium - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>He, Meng</creatorcontrib><creatorcontrib>Huang, Peng</creatorcontrib><creatorcontrib>Zhang, Chunlei</creatorcontrib><creatorcontrib>Ma, Jiebing</creatorcontrib><creatorcontrib>He, Rong</creatorcontrib><creatorcontrib>Cui, Daxiang</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Chemistry : a European journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>He, Meng</au><au>Huang, Peng</au><au>Zhang, Chunlei</au><au>Ma, Jiebing</au><au>He, Rong</au><au>Cui, Daxiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase- and Size-Controllable Synthesis of Hexagonal Upconversion Rare-Earth Fluoride Nanocrystals through an Oleic Acid/Ionic Liquid Two-Phase System</atitle><jtitle>Chemistry : a European journal</jtitle><addtitle>Chem. Eur. J</addtitle><date>2012-05-07</date><risdate>2012</risdate><volume>18</volume><issue>19</issue><spage>5954</spage><epage>5969</epage><pages>5954-5969</pages><issn>0947-6539</issn><eissn>1521-3765</eissn><coden>CEUJED</coden><abstract>Herein, we introduce a facile, user‐ and environmentally friendly (n‐octanol‐induced) oleic acid (OA)/ionic liquid (IL) two‐phase system for the phase‐ and size‐controllable synthesis of water‐soluble hexagonal rare earth (RE=La, Gd, and Y) fluoride nanocrystals with uniform morphologies (mainly spheres and elongated particles) and small sizes (<50 nm). The unique role of the IL 1‐butyl‐3‐methylimidazolium hexafluorophosphate (BmimPF6) and n‐octanol in modulating the phase structure and particle size are discussed in detail. More importantly, the mechanism of the (n‐octanol‐induced) OA/IL two‐phase system, the formation of the RE fluoride nanocrystals, and the distinctive size‐ and morphology‐controlling capacity of the system are presented. BmimPF6 is versatile in term of crystal‐phase manipulation, size and shape maintenance, and providing water solubility in a one‐step reaction. The luminescent properties of Er3+‐, Ho3+‐, and Tm3+‐doped LaF3, NaGdF4, and NaYF4 nanocrystals were also studied. It is worth noting that the as‐prepared products can be directly dispersed in water due to the hydrophilic property of Bmim+ (cationic part of the IL) as a capping agent. This advantageous feature has made the IL‐capped products favorable in facile surface modifications, such as the classic Stober method. Finally, the cytotoxicity evaluation of NaYF4:Yb,Er nanocrystals before and after silica coating was conducted for further biological applications.
Two‐phase synthesis: A facile, user‐ and environmentally friendly (n‐octanol‐induced) oleic acid (OA)/ionic liquid (IL) two‐phase system for the phase‐ and size‐controllable synthesis of small (<50 nm) water‐soluble hexagonal rare earth (La, Gd, and Y) fluoride nanocrystals with uniform morphologies is described (see figure).</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><pmid>22454326</pmid><doi>10.1002/chem.201102419</doi><tpages>16</tpages></addata></record> |
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| subjects | 1-Octanol - chemistry Algorithms Binary systems (materials) Chemistry Earth Fluorides Fluorides - chemical synthesis Fluorides - chemistry Humans Ionic liquids Ionic Liquids - chemistry Luminescence Metals, Rare Earth - chemistry Morphology Nanocrystals Nanoparticles - chemistry Nanoparticles - ultrastructure Oleic acid Oleic Acid - chemistry Rare earth metals rare earths Solubility structure elucidation Synthesis Water - chemistry Yttrium - chemistry |
| title | Phase- and Size-Controllable Synthesis of Hexagonal Upconversion Rare-Earth Fluoride Nanocrystals through an Oleic Acid/Ionic Liquid Two-Phase System |
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